Proxmox/misc/install.func

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# This function sets color variables for formatting output in the terminal
color() {
YW=$(echo "\033[33m")
BL=$(echo "\033[36m")
RD=$(echo "\033[01;31m")
BGN=$(echo "\033[4;92m")
GN=$(echo "\033[1;92m")
DGN=$(echo "\033[32m")
CL=$(echo "\033[m")
RETRY_NUM=10
RETRY_EVERY=3
CM="${GN}✓${CL}"
CROSS="${RD}✗${CL}"
BFR="\\r\\033[K"
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HOLD=" "
}
# This function enables IPv6 if it's not disabled and sets verbose mode if the global variable is set to "yes"
verb_ip6() {
if [ "$VERBOSE" = "yes" ]; then
STD=""
else STD="silent"; fi
silent() { "$@" >/dev/null 2>&1; }
if [ "$DISABLEIPV6" == "yes" ]; then
echo "net.ipv6.conf.all.disable_ipv6 = 1" >>/etc/sysctl.conf
$STD sysctl -p
fi
}
# This function sets error handling options and defines the error_handler function to handle errors
catch_errors() {
set -Eeuo pipefail
trap 'error_handler $LINENO "$BASH_COMMAND"' ERR
}
# This function handles errors
error_handler() {
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if [ -n "$SPINNER_PID" ] && ps -p $SPINNER_PID > /dev/null; then kill $SPINNER_PID > /dev/null; fi
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printf "\e[?25h"
local exit_code="$?"
local line_number="$1"
local command="$2"
local error_message="${RD}[ERROR]${CL} in line ${RD}$line_number${CL}: exit code ${RD}$exit_code${CL}: while executing command ${YW}$command${CL}"
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echo -e "\n$error_message"
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if [[ "$line_number" -eq 23 ]]; then
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echo -e "The silent function has suppressed the error, run the script with verbose mode enabled, which will provide more detailed output.\n"
fi
}
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# This function displays a spinner.
spinner() {
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local chars="/-\|"
local spin_i=0
printf "\e[?25l"
while true; do
printf "\r \e[36m%s\e[0m" "${chars:spin_i++%${#chars}:1}"
sleep 0.1
done
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}
# This function displays an informational message with a yellow color.
msg_info() {
local msg="$1"
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echo -ne " ${HOLD} ${YW}${msg} "
spinner &
SPINNER_PID=$!
}
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# This function displays a success message with a green color.
msg_ok() {
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if [ -n "$SPINNER_PID" ] && ps -p $SPINNER_PID > /dev/null; then kill $SPINNER_PID > /dev/null; fi
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printf "\e[?25h"
local msg="$1"
echo -e "${BFR} ${CM} ${GN}${msg}${CL}"
}
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# This function displays a error message with a red color.
msg_error() {
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if [ -n "$SPINNER_PID" ] && ps -p $SPINNER_PID > /dev/null; then kill $SPINNER_PID > /dev/null; fi
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printf "\e[?25h"
local msg="$1"
echo -e "${BFR} ${CROSS} ${RD}${msg}${CL}"
}
# This function sets up the Container OS by generating the locale, setting the timezone, and checking the network connection
setting_up_container() {
msg_info "Setting up Container OS"
sed -i "/$LANG/ s/\(^# \)//" /etc/locale.gen
locale-gen >/dev/null
echo $tz >/etc/timezone
ln -sf /usr/share/zoneinfo/$tz /etc/localtime
for ((i = RETRY_NUM; i > 0; i--)); do
if [ "$(hostname -I)" != "" ]; then
break
fi
echo 1>&2 -en "${CROSS}${RD} No Network! "
sleep $RETRY_EVERY
done
if [ "$(hostname -I)" = "" ]; then
echo 1>&2 -e "\n${CROSS}${RD} No Network After $RETRY_NUM Tries${CL}"
echo -e " 🖧 Check Network Settings"
exit 1
fi
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rm -rf /usr/lib/python3.*/EXTERNALLY-MANAGED
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systemctl disable -q --now systemd-networkd-wait-online.service
msg_ok "Set up Container OS"
msg_ok "Network Connected: ${BL}$(hostname -I)"
}
# This function checks the network connection by pinging a known IP address and prompts the user to continue if the internet is not connected
network_check() {
set +e
trap - ERR
ipv4_connected=false
ipv6_connected=false
# Check IPv4 connectivity
if ping -c 1 -W 1 1.1.1.1 &>/dev/null; then
msg_ok "IPv4 Internet Connected";
ipv4_connected=true
else
msg_error "IPv4 Internet Not Connected";
fi
# Check IPv6 connectivity
if ping6 -c 1 -W 1 2606:4700:4700::1111 &>/dev/null; then
msg_ok "IPv6 Internet Connected";
ipv6_connected=true
else
msg_error "IPv6 Internet Not Connected";
fi
# If both IPv4 and IPv6 checks fail, prompt the user
if [[ $ipv4_connected == false && $ipv6_connected == false ]]; then
read -r -p "No Internet detected,would you like to continue anyway? <y/N> " prompt
if [[ "${prompt,,}" =~ ^(y|yes)$ ]]; then
echo -e " ⚠️ ${RD}Expect Issues Without Internet${CL}"
else
echo -e " 🖧 Check Network Settings"
exit 1
fi
fi
RESOLVEDIP=$(getent hosts github.com | awk '{ print $1 }')
if [[ -z "$RESOLVEDIP" ]]; then msg_error "DNS Lookup Failure"; else msg_ok "DNS Resolved github.com to ${BL}$RESOLVEDIP${CL}"; fi
set -e
trap 'error_handler $LINENO "$BASH_COMMAND"' ERR
}
# This function updates the Container OS by running apt-get update and upgrade
update_os() {
msg_info "Updating Container OS"
if [[ "$CACHER" == "yes" ]]; then
echo "Acquire::http::Proxy-Auto-Detect \"/usr/local/bin/apt-proxy-detect.sh\";" >/etc/apt/apt.conf.d/00aptproxy
cat <<EOF >/usr/local/bin/apt-proxy-detect.sh
#!/bin/bash
if nc -w1 -z "${CACHER_IP}" 3142; then
echo -n "http://${CACHER_IP}:3142"
else
echo -n "DIRECT"
fi
EOF
chmod +x /usr/local/bin/apt-proxy-detect.sh
fi
$STD apt-get update
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$STD apt-get -o Dpkg::Options::="--force-confold" -y dist-upgrade
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rm -rf /usr/lib/python3.*/EXTERNALLY-MANAGED
msg_ok "Updated Container OS"
}
# This function modifies the message of the day (motd) and SSH settings
motd_ssh() {
echo "export TERM='xterm-256color'" >>/root/.bashrc
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echo -e "$APPLICATION LXC provided by https://helper-scripts.com/\n" >/etc/motd
chmod -x /etc/update-motd.d/*
if [[ "${SSH_ROOT}" == "yes" ]]; then
sed -i "s/#PermitRootLogin prohibit-password/PermitRootLogin yes/g" /etc/ssh/sshd_config
systemctl restart sshd
fi
}
# This function customizes the container by modifying the getty service and enabling auto-login for the root user
customize() {
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if [[ "$PASSWORD" == "" ]]; then
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msg_info "Customizing Container"
GETTY_OVERRIDE="/etc/systemd/system/container-getty@1.service.d/override.conf"
mkdir -p $(dirname $GETTY_OVERRIDE)
cat <<EOF >$GETTY_OVERRIDE
[Service]
ExecStart=
ExecStart=-/sbin/agetty --autologin root --noclear --keep-baud tty%I 115200,38400,9600 \$TERM
EOF
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systemctl daemon-reload
systemctl restart $(basename $(dirname $GETTY_OVERRIDE) | sed 's/\.d//')
msg_ok "Customized Container"
fi
echo "bash -c \"\$(wget -qLO - https://github.com/tteck/Proxmox/raw/main/ct/${app}.sh)\"" >/usr/bin/update
chmod +x /usr/bin/update
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}